C1311213331333132332133313331333133313331333131333131121333133322321   >>    C131121333133313233213331333133313331333133313133313112133313332232   <<    C1311213331333132332133313331333133313331333131333131121333133322323   >>      C1311213331333132332133313331333133313331333131333131121333133322322   >>